Z3X-BOX Samsung Update. v18.0. New phones added

- support GT-I8268 (Direct unlock, repair imei/bt/SN/wifi, flashing)- first in the world - support GT-G3502 (Direct unlock, repair imei/bt/SN/wifi, flashing) - support GT-G3502U (Direct unlock, repair imei/bt/SN/wifi, flashing) - support GT-G3812 (Direct unlock, repair imei/bt/SN/wifi, flashing) - support GT-G3818 (Direct unlock, repair imei/bt/SN/wifi, flashing) - support GT-G3858 (Direct unlock, repair imei/bt/SN/wifi, flashing)- first in the world - support GT-G3868V (Direct unlock, repair imei/bt/SN/wifi, flashing)- first in the world - support SM-T231 (Direct unlock, repair imei/bt/SN/wifi, flashing)- first in the world - support SM-T230 (Direct repair bt/SN/wifi, flashing)- first in the world - support SM-T230NT (Direct repair bt/SN/wifi, flashing)- first in the world - support SM-T230NU (Direct repair bt/SN/wifi, flashing)- first in the world